http://youtu.be/9N9U-YE6kQQ
- was able to install only 2 primary weapons at the beginning, but during the games had upgraded it.
Even with such small modifications you would have a great fun and no one will suspect that you are using the hack.
Most amusing now when someone teammates takes the helicopter and inviting me as a pilot :D
P.S. Extended version of this video you can find here.